Salt before 2015.5.10 and 2015.8.x before 2015.8.8, when PAM external authentication is enabled, allows attackers to bypass the configured authentication service by passing an alternate service with a command sent to LocalClient.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Salt | Saltstack | * | 2015.5.9 (including) |
| Salt | Saltstack | 2015.8.0 (including) | 2015.8.0 (including) |
| Salt | Saltstack | 2015.8.1 (including) | 2015.8.1 (including) |
| Salt | Saltstack | 2015.8.2 (including) | 2015.8.2 (including) |
| Salt | Saltstack | 2015.8.3 (including) | 2015.8.3 (including) |
| Salt | Saltstack | 2015.8.4 (including) | 2015.8.4 (including) |
| Salt | Saltstack | 2015.8.5 (including) | 2015.8.5 (including) |
| Salt | Saltstack | 2015.8.7 (including) | 2015.8.7 (including) |
| Salt | Ubuntu | esm-infra-legacy/trusty | * |
| Salt | Ubuntu | trusty | * |
| Salt | Ubuntu | trusty/esm | * |
| Salt | Ubuntu | upstream | * |
| Salt | Ubuntu | wily | * |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html